6
			1				3
					8	6
8	5
						7	1
	1	7
2				8
3

Difficulty: Easy (0)

				5	1
			2	4			8
4	8
7			5
				7			1
						8	5
6			8	2
		4	7

Difficulty: Very easy (0)

	4		7	6			1
2				7
8			6	3
	1
						8
			3	5			6
			8				3
6			2	1		5

Difficulty: Very easy (0)

				3			8
		5
			6			1	2
						4
	8
7	5			6
					6
5			1

Difficulty: Very easy (0)